Hotjse electric



C. AALBORG'.

HIGH VOLTAGE mscoNNEcTlNG swxTcH.

APPLICATION FILD MAY 7| |919.

Patented Aug. 2,1921;

INVENTOR hf/l'n Aalborg.

AoRNEY gUnirse stares Peu-Nr rrICE CHRISTIAN AALBo'R. or rrr'rsnnen, PENNSYLVANIA, AssIGNOit To WEsTiNGL f HOUSE Ennesimo a MANnrAoruniNe COMPANY, A CORPORATION Yor PENNSYL- vANIA.

resem-7.

To @ZZ wko/m t may concern.'

*Be it known that l, CHRISTIAN AALBORG, a citizen of the United States, and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new and useful lmprovement inHigh-Voltage Discoimecting- Switches, of which the following is a specification.

My invention relates to switches for electrical circuits and particularly to highpotential-disconnecting switches. v

@ne object of my invention is: to provide a'device ofthe above indicated character that shall so comprise a singlerigid insulating pillar as toysimpl'ify its structure andV facilitate its installation with respect to. a transmission line. Y Y 1 Another object of my invention is to provide a high-potential disconnecting switch that shall be economical to manufacture, rugged and durable in construction and effective in operation. Y y "f Another object of my invention isto pro;- vide a high-potential disconnecting switch in which a pivotedv switch arm shall be mounted at. the top of a transmisinon-line` tower and extend to a coperating contact member, on a transmission-line conductor, at some distance from the tower.

In practising` my invention, I provide, at the top of a ltransmission-line tower orother support, averticffilly-projecting built-up 1nsulating pillar having, pivoted at its upper end, an elongated switch arm for cooperation with ,a contact-terminal ,member that' is mounted on a transmission-line conductor and remotelydisposed with respect to said tower and said pillar. l also provide means whereby said pillar may be turned about its axis to actuate theswitch arm.` I

Figure l'ofjthe accompanying drawings, is a side elevational view of a disconnecting' switch embodying my invention, showing portions of a supporting tower and the transmission lines associated therewith; Fig-` 2 is an end elevational view of the device shown in Fig. il., and'Fig. 3 is a detail sectional View Of a portion of my improved device.

In general, my device comprises a longi tudinally-rigid insulating pillar 1 disposed at the top of a transmission-line tower 2 and having, at its upper end, a hoodedmember 3 from which conductors 4L and a switch member 5 extend to points beyond the outer ends of two sets of strain insulators 6 and 7 that HIGH-VOLTAGE DiscoNNncrNe-swrrcn.

specification of Letters Patent. Patented Aug. 2, 1921. Application iled May 7, 1919. Serial No. 295,313.

are interposed 'between the tower 2 and the adjacentends of two alined conductors 8.A

rlhe `member 3, which --constitutes a weather-proof bearing member-for a worm 9, that 1s rigidly and coaxially related to the p1llar'1,has bearing-portions 10 for a shaft 11 to which a worm wheel 12 is rigidly secured, asby a key 13.

Lever arms 14,v exterior tothe member 3 and rigidly secured to the ends of the shaft 11, are'relativelymovably attached to rods lthat constitute parts vof Vthe switch member 5.; The rods 15 are secured, in any suitablemanner, as by a nut-and-eye connection le, toconductingrodsfor' arms17 that are pivoted adjacent the upper ends of the conductors 4, to depending portions 18` of the member Sand coperatewith a stationary contact-terminal'member 19 and horn-gap projections 20, at' theiouter endv of the insulator set 7.

The pillar 1 depending from the lower endv thereof that `1s rotatably mounted in bearing members 22 and 23 on the tower Qa The lower end of the rod v21 is pro-vided vwith a handwhcel 24 by means of which the pillar 1` maybe ro-` tated to actuate the worm 9V and the worm wheel 12 to disconnectthe switch@ member 5 from the terminalniember 19 and move it tov its open position, shown by the dotted iinesin ric". i. y rllhe members-4 serve as: mechanical supporting means for the parts 6 and 8 and also as conductors for current'from the conductor 8,'at the outer end of the insulator sct 6, to; the arms 17.

has a rigidly-related'shaft 21` inasmuch as the tower 2, the insulator.,

sets 6 and 7 and the conductors land 17,

or their equivalents, would be present in an ordinary transmission `support of this kind, where it did not constitute a switch, it is seen that to construct a disconnecting switch. thereof requires a .minimum of extra material.. The device is simple-in construction, effective in operation and requires the use only of a single rigid pillar.

While I have shown and described a particular form of my invention, changes may be effected therein without departing from the spirit and scope thereof, as set forth in the appended claims. i

I claim as my invention:

1. A high-potential disconnecting switch comprising a main supporting structure, a

` plurality of sets of series-related strain insulatorsattachedthereto, a turnable insulatingpillarvmounted'by one end on said struc-V ture,"a`relatively-movable cap member disposed at the other end lof said pillar and constituting a .bearing therefor, yrigidlymounted conductors, constituting supporting members, extending from the router 'end of one ofy said sets of strain insulators to seid ca member, a worm secured to, and mov# ab e with, saidl pillar, a worm "wheaelmeslr ingvwith saidworm and supportedlby said cap-.gmembegalever arm rigidly secured to sind worm wheel, a terminal member ,at the outer end of another of said, sets of strain insulators, a pivoted switch arm connected to saidV rigidly-mounted conductors, at said capl member and extendingl to seid terminal member, and s; rod connecting said pivorted Y arinto said lever arm.

i, 2. AV high-penseel digi-@nesting swath comprising an insuletiugA 1 structure of sul mntiallrinvemd T-smpe end conducting members extend' members .conxituting a movablepswitch arm. 4. A high-potentialvswitehiXcompring a singlegld e Vflexible insuletingrstmture Y @adjacent-*hereto and extending therefrom, a' terminal. memdisposed with reaped, ltothe pillar on said structure and u.; movable switch armextendin Vbetween said pillar and `said 'terminalmem projecting op# o'f one aoi' said" insulating,

diagonally between the outerends'of the egg-thereof, one of said` i ,A high-potential switch comprisingan insulating pillar, a flexible insulatingstructure extending outwardly from the base "thereof, a tenninalat'theouter end of said ilexible struetureand a movable "switch arm extending between said terminal and the outer end of said pillar. l

. 6. A hightential switch comprising-an insulating lar, a flexible insulating structure extending outwardly therefrom, a ter-A minal at the outer` end of Said flexible strucjture,a movable switch arm extending between saidl pillar and said terminala/nd means for operating the switch arm Athrough the pillar. f Y A Y.

7. A high-potential switch comprising an insulating pillar, a flexible insulating structure extending outwardl f therefrom.,y a. Vterminalrattachedto said exibleV structure, a movablev switch arm;` extending. between ysaid pillar'and said terminal and means for operating thev switcharm through the pillar. .1. 8.I'n a high-potential switch, the oombination With'a line'conductorand. a rigid supporting ,structure `therefor, ozf an Vinsulating member on the supportingstructurga flexible insulating" structure sliepen tween the supporting. structure and said `conductorf for lsupporting, Vtl'ie'A letter, 1 a terminal member for rthe conductor disposed adjacent. to the outer end4 of the flexible structure, and a movable switehfarm extending betweenV said insulating lmember, and said terminal member. 'Y n 9.-In ahigh-potentialswiteh,` the combnation vwith.vaqsuspended conductor, of a single insulating supporting structure y for one end of thev cmductor.r a terminal `member for the conductor Suspended in spaced. relation to the supporting fstructure,and` amovable switch erin' extending between lsaid structure and 'saidV terminal member. Y

v i InftestirnonyV w'li'ei'efff,l VI 'have4 hereunto subscribed 'mym name dayfof April,

; QHRISTIAN AALBRG; 

